OS1st Performance Calf Sleeves

OS1st Performance Calf SleevesA versatile daily trainer for runners who want reliable comfort mile after mile, the OS1st Performance Calf Sleeves delivers balanced cushioning and a smooth ride. The responsive midsole adapts to each stride while a breathable upper keeps things comfortable. A dependable option for daily training and long runs. Balanced midsole cushioning Breathable, supportive upper Smooth heel to toe transitions Durable outsole for road running Versatile for daily

Silicone grip prints on the palm and fingers give you solid hold on trekking poles

Individual toe pockets and a thin XS Trek outsole deliver natural movement and real grip on gym floors

while the full-zip front lets you dial ventilation on the move

Kangaroo pocket and drawstring hood

Lightweight layering design

When the temperature drops but the miles keep coming

Weather-resistant open spacer mesh with no-sew overlays sheds weight and reduces hot spots on long efforts

Built for high-mileage trail runners who refuse to trade cushion for speed

sweaty Southern training

CUSTOM FIT: Comfort Cinch 2

The 4-way stretch woven canvas upper wraps the foot naturally

and light training